Application of remimazolam-0.6% sevoflurane anesthesia for flash visual evoked potential monitoring during pituitary adenoma resection: a non-inferiority randomized controlled trial

Table 1 Demographic characteristics between the two groups

Variables	Group R (n = 18)	Group P (n = 18)	P
Age (years)	58.94 ± 10.30	53.11 ± 14.97	0.182
Sex (male/female)	10/8	9/9	> 0.999
Height (cm)	166.30 ± 7.58	164.90 ± 6.98	0.587
weight (kg)	69.17 ± 11.74	72.28 ± 13.01	0.456
BMI (kg/m²)	24.86 ± 2.62	26.51 ± 4.36	0.179
Symptom n (%)			0.175
Blurred vision	6(33.33%)	6(33.33%)
Headache	10(55.56%)	5(27.78%)
None/physical examine	2(11.11%)	5(27.78%)
Other	0(0.00%)	2(16.67%)
Tumor diameter (cm)
a	0.89 ± 0.27	1.04 ± 0.26	0.089
b	0.76 ± 0.32	0.94 ± 0.29	0.070
c	0.30 (0.20–0.50)	0.30 (0.30–0.40)	0.657

Variables presented as mean ± SD, median (interquartile range) or number of patients n (%). BMI, body mass index; the a, b and c diameters represented the tumor diameters in the three dimensions

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